201023232 has 144 divisors (see below), whose sum is σ = 576162720. Its totient is φ = 61997056.

The previous prime is 201023231. The next prime is 201023267. The reversal of 201023232 is 232320102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201023231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161898 + ... + 1162070.

It is an arithmetic number, because the mean of its divisors is an integer number (4001130).

Almost surely, 2^201023232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288081360).

201023232 is an abundant number, since it is smaller than the sum of its proper divisors (375139488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201023232 is a wasteful number, since it uses less digits than its factorization.

201023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 201023232 is about 14178.2661845516. The cubic root of 201023232 is about 585.7991678234.

Adding to 201023232 its reverse (232320102), we get a palindrome (433343334).

The spelling of 201023232 in words is "two hundred one million, twenty-three thousand, two hundred thirty-two".